Table 1.
Current state-of-the-art neural data recording and amplification systems.
| Ref | Type | Test model |
Noise μVrms |
Bit res |
S/s ksps |
# Ch |
Data Mbps |
Power mW |
Size mm |
Tx |
|---|---|---|---|---|---|---|---|---|---|---|
| Chae [32] | ASIC | Bench | 4.9 | 9 | 2 | 128 | 90 | 6 | 8:8 × 7:2×n.r. | UWB |
| Harrison [11] | ASIC | Bench | 5.0 | 10 | 15 | 100 | 0.35 | 10 | 5:4 × 7:0×n.r. | 902/928 FSK |
| Miranda [12] | Device external |
NHP 3 mon |
5.0 | 12 | 30 | 32 | 24 | 142 | 38 × 38 × 51 | 3.7/4.1GHz FSK |
| Yin [49] | Device external |
Rat | 4.9 | 8 | 20 | 32 | 2.56 | 5.6 | n.r.×n.r.×n.r. | 898/926MHz FSK |
| Szuts [50] | Device external |
Rat 1 hr |
3.6 | n.r. | 20 | 64 | 10 | 645 | *n.r. | 2.38GHz FM |
| Sodagar [51] | Device external |
Guinea | 8.9 | 8 | 7.8 | 64 | 2 | 14.4 | 14 × 16×n.r. | 70/200MHz OOK |
| Rizk [17] | Device external |
Rat | n.r. | 12 | 31 | 96 | 1 | 100 | 50 × 40 × 15 | 916.5MHz ASK |
| Rizk [26] | Device implanted |
Sheep 3 hr | 7 | 12 | 31 | 96 | n.r. | 2000 | 50 × 40 × 15 | 916.5MHz ASK |
| This work |
Device
implanted |
NHP >13 mon |
8.6 | 12 | 20 | 100 | 24 | 90.6 | 56×42×11 |
3.2/3.8GHz
FSK |
n.r
not reported.
*
Two-part system, cranial portion + backpack for battery.